The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 1984
Filed:
Mar. 23, 1983
Applicant:
Inventors:
Koichi Matsumura, Ibaraki, JP;
Tetsuya Aono, Nagaokakyo, JP;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536124 ; 536120 ; 536 41 ; 568394 ;
Abstract
A process is disclosed for production of a sugar ketal, which comprises reacting a sugar with a ketone in the presence of hydrogen iodide. The formation of unfavorable by-products can be reduced to a trace amount. The process offers the objective ketal in improved yields, and an industrially advantageous process.